Upgrade all Ambari Agents. On each host in your
cluster running an Ambari Agent:

For RHEL/CentOS/Oracle Linux:

yum upgrade ambari-agent

For SLES:

zypper up ambari-agent

Note

Ignore the warning that begins with "There are some running programs that use
files deleted by recent upgrade".

Important

When performing upgrade on SLES, you will see a message "There is an update
candidate for 'ambari-agent', but it is from different vendor. Use 'zypper install
ambari-agent-2.6-143.noarch' to install this candidate". You will need to use yast
to update the package, as follows:

From the command line run: > yast

> yast

You will see command line UI for YaST program.

Choose Software > Software Management, then click the
Enter button.

In the Search Phrase field, enter
ambari-agent, then click the Enter
button.

On the right side you will see the search result
ambari-agent 2.6. Click
Actions, choose Update, then click
the Enter button.

Go to Accept, and click
enter.

For Ubuntu/Debian:

apt-get update
apt-get install ambari-agent

After the upgrade process completes, check each host to make sure the new files have
been installed: